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KVM: PPC: Move kvm_vcpu_init() invocation to common code

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Move the kvm_cpu_{un}init() calls to common PPC code as an intermediate
step towards removing kvm_cpu_{un}init() altogether.

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2019-12-18 13:55:00 -08:00 committed by Paolo Bonzini
parent 4dbf6fec78
commit ff030fdf55
8 changed files with 29 additions and 55 deletions
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6
arch/powerpc/include/asm/kvm_ppc.h
View File

@ -119,8 +119,7 @@ extern int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr,
enum xlate_instdata xlid, enum xlate_readwrite xlrw, enum xlate_instdata xlid, enum xlate_readwrite xlrw,
struct kvmppc_pte *pte); struct kvmppc_pte *pte);
extern int kvmppc_core_vcpu_create(struct kvm *kvm, struct kvm_vcpu *vcpu, extern int kvmppc_core_vcpu_create(struct kvm_vcpu *vcpu);
unsigned int id);
extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu); extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu); extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
extern int kvmppc_core_check_processor_compat(void); extern int kvmppc_core_check_processor_compat(void);
@ -274,8 +273,7 @@ struct kvmppc_ops {
void (*inject_interrupt)(struct kvm_vcpu *vcpu, int vec, u64 srr1_flags); void (*inject_interrupt)(struct kvm_vcpu *vcpu, int vec, u64 srr1_flags);
void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr); void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr);
int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu); int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
int (*vcpu_create)(struct kvm *kvm, struct kvm_vcpu *vcpu, int (*vcpu_create)(struct kvm_vcpu *vcpu);
unsigned int id);
void (*vcpu_free)(struct kvm_vcpu *vcpu); void (*vcpu_free)(struct kvm_vcpu *vcpu);
int (*check_requests)(struct kvm_vcpu *vcpu); int (*check_requests)(struct kvm_vcpu *vcpu);
int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log); int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log);

5
arch/powerpc/kvm/book3s.c
View File

@ -789,10 +789,9 @@ void kvmppc_decrementer_func(struct kvm_vcpu *vcpu)
kvm_vcpu_kick(vcpu); kvm_vcpu_kick(vcpu);
} }
int kvmppc_core_vcpu_create(struct kvm *kvm, struct kvm_vcpu *vcpu, int kvmppc_core_vcpu_create(struct kvm_vcpu *vcpu)
unsigned int id)
{ {
return kvm->arch.kvm_ops->vcpu_create(kvm, vcpu, id); return vcpu->kvm->arch.kvm_ops->vcpu_create(vcpu);
} }
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)

17
arch/powerpc/kvm/book3s_hv.c
View File

@ -2271,16 +2271,16 @@ static void debugfs_vcpu_init(struct kvm_vcpu *vcpu, unsigned int id)
} }
#endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
static int kvmppc_core_vcpu_create_hv(struct kvm *kvm, struct kvm_vcpu *vcpu, static int kvmppc_core_vcpu_create_hv(struct kvm_vcpu *vcpu)
unsigned int id)
{ {
int err; int err;
int core; int core;
struct kvmppc_vcore *vcore; struct kvmppc_vcore *vcore;
struct kvm *kvm;
unsigned int id;
err = kvm_vcpu_init(vcpu, kvm, id); kvm = vcpu->kvm;
if (err) id = vcpu->vcpu_id;
return err;
vcpu->arch.shared = &vcpu->arch.shregs; vcpu->arch.shared = &vcpu->arch.shregs;
#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
@ -2362,7 +2362,7 @@ static int kvmppc_core_vcpu_create_hv(struct kvm *kvm, struct kvm_vcpu *vcpu,
mutex_unlock(&kvm->lock); mutex_unlock(&kvm->lock);
if (!vcore) if (!vcore)
goto uninit_vcpu; return err;
spin_lock(&vcore->lock); spin_lock(&vcore->lock);
++vcore->num_threads; ++vcore->num_threads;
@ -2378,10 +2378,6 @@ static int kvmppc_core_vcpu_create_hv(struct kvm *kvm, struct kvm_vcpu *vcpu,
debugfs_vcpu_init(vcpu, id); debugfs_vcpu_init(vcpu, id);
return 0; return 0;
uninit_vcpu:
kvm_vcpu_uninit(vcpu);
return err;
} }
static int kvmhv_set_smt_mode(struct kvm *kvm, unsigned long smt_mode, static int kvmhv_set_smt_mode(struct kvm *kvm, unsigned long smt_mode,
@ -2435,7 +2431,6 @@ static void kvmppc_core_vcpu_free_hv(struct kvm_vcpu *vcpu)
unpin_vpa(vcpu->kvm, &vcpu->arch.slb_shadow); unpin_vpa(vcpu->kvm, &vcpu->arch.slb_shadow);
unpin_vpa(vcpu->kvm, &vcpu->arch.vpa); unpin_vpa(vcpu->kvm, &vcpu->arch.vpa);
spin_unlock(&vcpu->arch.vpa_update_lock); spin_unlock(&vcpu->arch.vpa_update_lock);
kvm_vcpu_uninit(vcpu);
} }
static int kvmppc_core_check_requests_hv(struct kvm_vcpu *vcpu) static int kvmppc_core_check_requests_hv(struct kvm_vcpu *vcpu)

13
arch/powerpc/kvm/book3s_pr.c
View File

@ -1744,22 +1744,17 @@ static int kvmppc_set_one_reg_pr(struct kvm_vcpu *vcpu, u64 id,
return r; return r;
} }
static int kvmppc_core_vcpu_create_pr(struct kvm *kvm, struct kvm_vcpu *vcpu, static int kvmppc_core_vcpu_create_pr(struct kvm_vcpu *vcpu)
unsigned int id)
{ {
struct kvmppc_vcpu_book3s *vcpu_book3s; struct kvmppc_vcpu_book3s *vcpu_book3s;
unsigned long p; unsigned long p;
int err; int err;
err = kvm_vcpu_init(vcpu, kvm, id);
if (err)
return err;
err = -ENOMEM; err = -ENOMEM;
vcpu_book3s = vzalloc(sizeof(struct kvmppc_vcpu_book3s)); vcpu_book3s = vzalloc(sizeof(struct kvmppc_vcpu_book3s));
if (!vcpu_book3s) if (!vcpu_book3s)
goto uninit_vcpu; goto out;
vcpu->arch.book3s = vcpu_book3s; vcpu->arch.book3s = vcpu_book3s;
#ifdef CONFIG_KVM_BOOK3S_32_HANDLER #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
@ -1814,8 +1809,7 @@ free_shadow_vcpu:
free_vcpu3s: free_vcpu3s:
#endif #endif
vfree(vcpu_book3s); vfree(vcpu_book3s);
uninit_vcpu: out:
kvm_vcpu_uninit(vcpu);
return err; return err;
} }
@ -1824,7 +1818,6 @@ static void kvmppc_core_vcpu_free_pr(struct kvm_vcpu *vcpu)
struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
free_page((unsigned long)vcpu->arch.shared & PAGE_MASK); free_page((unsigned long)vcpu->arch.shared & PAGE_MASK);
kvm_vcpu_uninit(vcpu);
#ifdef CONFIG_KVM_BOOK3S_32_HANDLER #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
kfree(vcpu->arch.shadow_vcpu); kfree(vcpu->arch.shadow_vcpu);
#endif #endif

5
arch/powerpc/kvm/booke.c
View File

@ -2114,10 +2114,9 @@ int kvmppc_core_init_vm(struct kvm *kvm)
return kvm->arch.kvm_ops->init_vm(kvm); return kvm->arch.kvm_ops->init_vm(kvm);
} }
int kvmppc_core_vcpu_create(struct kvm *kvm, struct kvm_vcpu *vcpu, int kvmppc_core_vcpu_create(struct kvm_vcpu *vcpu)
unsigned int id)
{ {
return kvm->arch.kvm_ops->vcpu_create(kvm, vcpu, id); return vcpu->kvm->arch.kvm_ops->vcpu_create(vcpu);
} }
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)

16
arch/powerpc/kvm/e500.c
View File

@ -433,8 +433,7 @@ static int kvmppc_set_one_reg_e500(struct kvm_vcpu *vcpu, u64 id,
return r; return r;
} }
static int kvmppc_core_vcpu_create_e500(struct kvm *kvm, struct kvm_vcpu *vcpu, static int kvmppc_core_vcpu_create_e500(struct kvm_vcpu *vcpu)
unsigned int id)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500; struct kvmppc_vcpu_e500 *vcpu_e500;
int err; int err;
@ -442,14 +441,8 @@ static int kvmppc_core_vcpu_create_e500(struct kvm *kvm, struct kvm_vcpu *vcpu,
BUILD_BUG_ON(offsetof(struct kvmppc_vcpu_e500, vcpu) != 0); BUILD_BUG_ON(offsetof(struct kvmppc_vcpu_e500, vcpu) != 0);
vcpu_e500 = to_e500(vcpu); vcpu_e500 = to_e500(vcpu);
err = kvm_vcpu_init(vcpu, kvm, id); if (kvmppc_e500_id_table_alloc(vcpu_e500) == NULL)
if (err) return -ENOMEM;
return err;
if (kvmppc_e500_id_table_alloc(vcpu_e500) == NULL) {
err = -ENOMEM;
goto uninit_vcpu;
}
err = kvmppc_e500_tlb_init(vcpu_e500); err = kvmppc_e500_tlb_init(vcpu_e500);
if (err) if (err)
@ -467,8 +460,6 @@ uninit_tlb:
kvmppc_e500_tlb_uninit(vcpu_e500); kvmppc_e500_tlb_uninit(vcpu_e500);
uninit_id: uninit_id:
kvmppc_e500_id_table_free(vcpu_e500); kvmppc_e500_id_table_free(vcpu_e500);
uninit_vcpu:
kvm_vcpu_uninit(vcpu);
return err; return err;
} }
@ -479,7 +470,6 @@ static void kvmppc_core_vcpu_free_e500(struct kvm_vcpu *vcpu)
free_page((unsigned long)vcpu->arch.shared); free_page((unsigned long)vcpu->arch.shared);
kvmppc_e500_tlb_uninit(vcpu_e500); kvmppc_e500_tlb_uninit(vcpu_e500);
kvmppc_e500_id_table_free(vcpu_e500); kvmppc_e500_id_table_free(vcpu_e500);
kvm_vcpu_uninit(vcpu);
} }
static int kvmppc_core_init_vm_e500(struct kvm *kvm) static int kvmppc_core_init_vm_e500(struct kvm *kvm)

12
arch/powerpc/kvm/e500mc.c
View File

@ -301,8 +301,7 @@ static int kvmppc_set_one_reg_e500mc(struct kvm_vcpu *vcpu, u64 id,
return r; return r;
} }
static int kvmppc_core_vcpu_create_e500mc(struct kvm *kvm, struct kvm_vcpu *vcpu, static int kvmppc_core_vcpu_create_e500mc(struct kvm_vcpu *vcpu)
unsigned int id)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500; struct kvmppc_vcpu_e500 *vcpu_e500;
int err; int err;
@ -310,16 +309,12 @@ static int kvmppc_core_vcpu_create_e500mc(struct kvm *kvm, struct kvm_vcpu *vcpu
BUILD_BUG_ON(offsetof(struct kvmppc_vcpu_e500, vcpu) != 0); BUILD_BUG_ON(offsetof(struct kvmppc_vcpu_e500, vcpu) != 0);
vcpu_e500 = to_e500(vcpu); vcpu_e500 = to_e500(vcpu);
err = kvm_vcpu_init(vcpu, kvm, id);
if (err)
return err;
/* Invalid PIR value -- this LPID dosn't have valid state on any cpu */ /* Invalid PIR value -- this LPID dosn't have valid state on any cpu */
vcpu->arch.oldpir = 0xffffffff; vcpu->arch.oldpir = 0xffffffff;
err = kvmppc_e500_tlb_init(vcpu_e500); err = kvmppc_e500_tlb_init(vcpu_e500);
if (err) if (err)
goto uninit_vcpu; return err;
vcpu->arch.shared = (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO); vcpu->arch.shared = (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
if (!vcpu->arch.shared) { if (!vcpu->arch.shared) {
@ -331,8 +326,6 @@ static int kvmppc_core_vcpu_create_e500mc(struct kvm *kvm, struct kvm_vcpu *vcpu
uninit_tlb: uninit_tlb:
kvmppc_e500_tlb_uninit(vcpu_e500); kvmppc_e500_tlb_uninit(vcpu_e500);
uninit_vcpu:
kvm_vcpu_uninit(vcpu);
return err; return err;
} }
@ -342,7 +335,6 @@ static void kvmppc_core_vcpu_free_e500mc(struct kvm_vcpu *vcpu)
free_page((unsigned long)vcpu->arch.shared); free_page((unsigned long)vcpu->arch.shared);
kvmppc_e500_tlb_uninit(vcpu_e500); kvmppc_e500_tlb_uninit(vcpu_e500);
kvm_vcpu_uninit(vcpu);
} }
static int kvmppc_core_init_vm_e500mc(struct kvm *kvm) static int kvmppc_core_init_vm_e500mc(struct kvm *kvm)

10
arch/powerpc/kvm/powerpc.c
View File

@ -729,14 +729,20 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
if (!vcpu) if (!vcpu)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
err = kvmppc_core_vcpu_create(kvm, vcpu, id); err = kvm_vcpu_init(vcpu, kvm, id);
if (err) if (err)
goto free_vcpu; goto free_vcpu;
err = kvmppc_core_vcpu_create(vcpu);
if (err)
goto uninit_vcpu;
vcpu->arch.wqp = &vcpu->wq; vcpu->arch.wqp = &vcpu->wq;
kvmppc_create_vcpu_debugfs(vcpu, id); kvmppc_create_vcpu_debugfs(vcpu, id);
return vcpu; return vcpu;
uninit_vcpu:
kvm_vcpu_uninit(vcpu);
free_vcpu: free_vcpu:
kmem_cache_free(kvm_vcpu_cache, vcpu); kmem_cache_free(kvm_vcpu_cache, vcpu);
return ERR_PTR(err); return ERR_PTR(err);
@ -770,6 +776,8 @@ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
kvmppc_core_vcpu_free(vcpu); kvmppc_core_vcpu_free(vcpu);
kvm_vcpu_uninit(vcpu);
kmem_cache_free(kvm_vcpu_cache, vcpu); kmem_cache_free(kvm_vcpu_cache, vcpu);
} }